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739952

Resomer® RG 503, Poly(D,L-lactide-co-glycolide)

lactide:glycolide 50:50, ester terminated, Mw 24,000-38,000

Synonym(s):

PLGA, RESOMER® RG 503

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About This Item

Linear Formula:
[C3H4O2]x[C2H2O2]y
CAS Number:
26780-50-7
MDL number:
MFCD00131930
UNSPSC Code:
12162002
NACRES:
NA.23
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Quality Level

100

form

amorphous

feed ratio

lactide:glycolide 50:50

mol wt

Mw 24,000-38,000

degradation timeframe

<3 months

viscosity

0.32-0.44 dL/g, 0.1 % (w/v) in chloroform(25 °C, Ubbelohde) (size 0c glass capillary viscometer)

transition temp

Tg 44-48 °C

storage temp.

2-8°C

SMILES string

O2C(C(=O)OC(C2=O)C)C.O1CC(=O)OCC1=O

InChI

1S/C6H8O4.C4H4O4/c1-3-5(7)10-4(2)6(8)9-3;5-3-1-7-4(6)2-8-3/h3-4H,1-2H3;1-2H2

InChI key

LCSKNASZPVZHEG-UHFFFAOYSA-N

Application

Controlled release

Legal Information

Product of Evonik
RESOMER is a registered trademark of Evonik Rohm GmbH

Storage Class

11 - Combustible Solids

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

739952-VAR: + 739952-5G: + 739952-1G: + 739952-BULK:

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View All Articles
Kaiping Wang et al.
Journal of microencapsulation, 36(4), 356-370 (2019-06-14)
Here, we have successfully synthesised and purified multifunctional PLGA-based nanoparticles by the co-encapsulation of an anticancer drug (tetrandrine) and a magnetic material (Fe3O4). The obtained Tet-Fe3O4-PLGA NPs had a uniform spherical shape with a particle size of approximately 199 nm and
William A Lackington et al.
Journal of controlled release : official journal of the Controlled Release Society, 304, 51-64 (2019-05-06)
Neurotrophic factor delivery via biodegradable nerve guidance conduits may serve as a promising treatment for the repair of large peripheral nerve defects. However, a platform for controlled delivery is required because of their short in vivo half-life and their potential
Rongcai Liang et al.
International journal of pharmaceutics, 454(1), 344-353 (2013-07-23)
Peptide or protein degradation often occurs when water flows into the dosage form. The aim of this study was to investigate the effect of water on exenatide acylation in poly(lactide-co-glycolide) (PLGA) microspheres. Exenatide-loaded PLGA microspheres were incubated at different relative
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